Base | Representation |
---|---|
bin | 1000110000100101… |
… | …0001101111001111 |
3 | 20001212021110221010 |
4 | 2030021101233033 |
5 | 14303404222231 |
6 | 1025151140303 |
7 | 112160141334 |
oct | 21411215717 |
9 | 6055243833 |
10 | 2351242191 |
11 | aa7240071 |
12 | 557514693 |
13 | 2b6176a8c |
14 | 1843aa98b |
15 | db644546 |
hex | 8c251bcf |
2351242191 has 8 divisors (see below), whose sum is σ = 3299989120. Its totient is φ = 1484995032.
The previous prime is 2351242169. The next prime is 2351242199. The reversal of 2351242191 is 1912421532.
2351242191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2351242191 - 213 = 2351233999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2351242199) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20624875 + ... + 20624988.
It is an arithmetic number, because the mean of its divisors is an integer number (412498640).
Almost surely, 22351242191 is an apocalyptic number.
2351242191 is a deficient number, since it is larger than the sum of its proper divisors (948746929).
2351242191 is a wasteful number, since it uses less digits than its factorization.
2351242191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41249885.
The product of its digits is 4320, while the sum is 30.
The square root of 2351242191 is about 48489.6091033945. The cubic root of 2351242191 is about 1329.7371087987.
It can be divided in two parts, 23512 and 42191, that added together give a triangular number (65703 = T362).
The spelling of 2351242191 in words is "two billion, three hundred fifty-one million, two hundred forty-two thousand, one hundred ninety-one".
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